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What is electrolysis and state its industrial application
calculate the molecular mass of the nonionic solutes 64.3 grams of solute in 3.90 x 102 grams of water raises the
Explain the whole process: what is the influence in adding alkali with different concentrations(such as: 2%, 1%, 0.5%, 0.125%, and 0.065% NaOH) with Saliva and starch paste, ALSO NEUTRALIZING IT WITH HAc
The half life of the radioisotope^ 158,47Eu is 1.0 hr.the decay of a 16.0g sample of the isotope to 1.25g required how many hours
The solubility of PbS in water is 7.0 x 10 ^-29mol/L. Will its solubility increase or decrease in a solution that has a pH of 9.4
The products include Cr3+ ion and I2. What was reduced in the reaction and what was the reducing agent?
in a reaction between pure acetic acid and sodium bicarbonate 26.6 grams of sodium bicarbonate was added to 12.0 ml of
A 3.5E-2 mg sample of a protein is dissolved in water to make a .25mL solution. Explain the osmotic pressure of the solution is .56torr at 25 degrees Celsius. Explain what is the molar mass of the protein
An unknown compound contains only carbon, hydrogen, and oxygen (). Combustion of 4.00 of this compound produced 5.87 of carbon dioxide and 2.40 of water.
determine the empirical and molecular formulas of a hydrocarbon which has a molecular weight of 84 mass unit which contains 85.7% carbon.
what volume would a 0.0236-mole sample of helium gas would occupy at a temperature of 24degc and a pressure of 0.750
Which of the following is the [OH-] in pure water at room at room temperature? A) 1.0 x 10^-14 M B) 1.0 x 10^-7 M C) 1.0 x 10^7 M D) 1.0 x 10^14 M
a specific brand of gourmet chocolate candy contains 7.00g of dietary fat in each 22.7-g piece. how many kilograms of
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